Question

complete the following statement. use the integers that are closest to the number in the middle.
□ < -√123 < □

Explanation:

Step1: Find nearest perfect squares

$11^2=121$, $12^2=144$

Step2: Relate to square root of 123

$11 < \sqrt{123} < 12$

Step3: Negate all inequalities

$-12 < -\sqrt{123} < -11$

Answer:

$-12 < -\sqrt{123} < -11$